<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
	<title>Title</title>
</head>
<body>
<form action="CoreIF.jsp" method="get">
	<input type="text" name="username" value="${param.username}">
	<input type="submit" value="登录">
</form>

<c:if test="${param.username == 'admin'}" var="isAdmin">
	<c:out value="管理员${param.username}, 欢迎您!" />
</c:if>
<c:out value="${isAdmin}" />
</body>
</html>
